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SigmasTek  |  SKU: BW-16859

Ritar RA12-90H High Performance Replacement Battery

Sale price $214.99 USD Regular price $321.34
Shipping calculated at checkout.

➤ Absorbent Glass Mat (AGM) technology for enhanced durability

➤ Maintenance-free design with spill-proof construction

➤ U.L. recognized and CE certified for safety and reliability

➤ Brand new and factory fresh for optimal performance

➤ 1-year warranty ensures peace of mind and quality assurance


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ Quick Reminder

🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.

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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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Battery Care Guide

Battery Usage and Maintenance Guidelines 🔋

Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.

1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Operate the device until the battery reaches approximately 20% capacity.
  • Avoid premature recharging.
  • Do not allow the battery to fully discharge during the initial cycles.

Post-Conditioning

  • Recharge the battery only when necessary.
  • These batteries are capable of approximately 500 charge cycles:
  • Once daily → ~500 days
    Twice daily → ~250 days
    Note: Even a partial recharge is considered a full cycle.

2. Sealed Lead Acid (SLA) Batteries 💡

  • No conditioning required.
  • Maintain the battery in a fully charged state; avoid complete discharge.
  • Capable of 300–400 charge cycles.
  • Expected service life: 2–3 years, depending on usage conditions.

3. Laptop Batteries (Lithium-Ion) 💻

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Charge fully, then discharge to approximately 20% capacity.
  • Avoid complete discharge, as some devices may not detect a fully drained battery.

Post-Conditioning

  • Minimize frequent plugging and unplugging.
  • Allow the battery to discharge moderately at least once per month to maintain optimal performance.
  • Occasional cycling is recommended to sustain battery health.

Professional Recommendation

Adhering to these guidelines will enhance battery longevity and ensure reliable performance.

For further assistance regarding your battery or order, our customer support team is available to provide guidance.

Delivery and Shipping

Everything You Need to Know About Shipping with BatteryWeb (USA)

We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:

🚚 Shipping & Delivery

Most orders ship next business day (some products like sealed lead acid may take a little longer).

Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).

We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.

Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.

Transit times shown are estimates only (business days, no weekends/holidays).

🌍 Shipping Restrictions

Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.

PO Box deliveries are only available via USPS.

At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.

📦 Important Notes

Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.

If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.

💲 Currency & Pricing

All prices are shown in USD.

Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.

⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).


Volts & Amps

12 Volts | 100 Ah

Terminal Type

Nut & Bolt

Ritar RA12-90H Battery (Replacement) — Compatible with Ritar RA12-90H

When your Ritar RA12-90H needs a dependable replacement, choose a high-quality replacement battery designed for perfect fit and reliable performance. This long-lasting battery is engineered using sealed SLA construction and AGM technology to provide steady, maintenance-free power for a wide range of applications. It meets or exceeds OEM SLA battery specifications and is guaranteed to be compatible with the Ritar RA12-90H model while delivering the consistent output required for mission-critical systems.

Key Specifications

  • Model: Ritar RA12-90H (Replacement)
  • Chemistry: Rechargeable Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Voltage: 12 Volts
  • Capacity: 100 Ah
  • Terminal Type: Nut & Bolt
  • Replacement Brand/Label: SigmasTek

Benefits

  • Robust Construction: The AGM design and sealed, spill-proof casing protect internal components and ensure the battery remains safe and reliable under vibration and temperature changes.
  • Reliable Long Life: Engineered to deliver stable performance over repeated charge/discharge cycles, this long-lasting battery reduces replacement frequency and lowers total lifecycle cost.
  • High Performance Output: This high-performance battery is optimized for consistent voltage delivery and low internal resistance, supporting sensitive equipment and heavy loads alike.
  • Certified Safety: U.L. recognition and CE certification provide assurance that the product adheres to established safety and quality standards, suitable for commercial, industrial, and residential systems.
  • Wide Application Range: Ideal as a replacement battery for UPS systems, emergency and standby power, security systems, uninterruptible power for telecommunications, and certain power tools and mobility devices that require a 12V SLA with nut & bolt terminals.
  • Maintenance-Free Convenience: No need to add water or check electrolyte levels—the sealed design makes this replacement battery easy to install, monitor, and maintain.

Don’t wait until a failed battery puts your systems at risk. Replace your Ritar RA12-90H with this proven, high-performance battery today. Order now to ensure uninterrupted power, dependable performance, and certified safety backed by a 1 Year Warranty.


Payment & Security

Payment methods

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